Alan is still at No. 1 and Sara scored her strongest first-week album sales yet, but Dierks is the name grabbing attention on this week's country charts.

Newcomer Dierks Bentley's self-titled album sold 39,000 copies to debut at No. 4 on Billboard's Top Country Albums chart. On top of that, the Arizona native's debut single, "What Was I Thinkin'," continues a steady rise to land at No. 3 on Billboard's Hot Country Singles & Tracks.

Meanwhile, Alan Jackson's Greatest Hits Volume II and Some Other Stuff spends a second week at No. 1 on the country albums chart. As for Sara Evans, her fourth album, Restless, sold 44,000 copies during its first week of release to debut at No. 3.

In between Jackson and Evans on the albums chart, Shania Twain parlayed a national television special into a sales spike to push Up! three notches to No. 2. Following Bentley, Toby Keith's Unleashed dips three slots to No. 5. Kenny Chesney's No Shoes, No Shirt, No Problems takes a two-position slide to No. 6, Brooks & Dunn's Red Dirt Road skids down four posts to No. 7 and Lonestar's From There to Here: Greatest Hits slips one level to No. 8. Rascal Flatts' Melt and Tim McGraw and the Dancehall Doctors are holding steady at 9 and 10.

Also debuting on the country albums chart is I've Always Been Crazy: A Tribute to Waylon Jennings, an all-star project featuring Kenny Chesney, Travis Tritt, Dwight Yoakam, Brooks & Dunn, John Mellencamp and others. The Jennings tribute enters the chart at No. 19.

"It's Five O'Clock Somewhere," Jackson's duet with Jimmy Buffett, is spending its fourth week atop the country singles chart. That leaves Chesney at No. 2 for another week with "No Shoes, No Shirt, No Problems." With Bentley's single at No. 3,

Twain's "Forever and For Always" climbs to No. 4 and Tim McGraw's "Real Good Man" rises to No. 5. Brad Paisley's "Celebrity" slides three notches to No. 6, but he has already charted another single. Arriving at No. 58, Paisley's "Little Moments" is the only country single to make its chart debut this week.

Also in the Top 10 country singles, Buddy Jewell's "Help Pour Out the Rain (Lacey's Song)" moves up to No. 7. Brooks & Dunn's "Red Dirt Road" travels south to No. 8, and Trace Adkins' "Then They Do" stays at No. 9. Rounding out the Top 10, Martina McBride's "This One's for the Girls" climbs from No. 14.